math problem!!!?

0 ⤊

A parallelogram has consecutive side lengths of 9 and 7 and diagonals of integral lengths. How long are these diagonals?
Please show work!!!

2007-08-06 03:41:29 · 3 answers · asked by i'MdAmAnn 2 in Science & Mathematics ➔ Mathematics

3 answers

The only way i found is that

the length of diagonal is >= sqrt (a^2 + b^2)

this gives sqrt ( 7*7 + 9*9)
= sqrt ( 130)

closest values are 11 and 12.

2007-08-06 03:51:28 · answer #1 · answered by dren 3 · 0⤊ 0⤋

9-7 < d < 9+7
2 d={3,4,5,... 14,15}

2007-08-06 03:53:48 · answer #2 · answered by iyiogrenci 6 · 0⤊ 0⤋

9+7 = 16cm
Simple! Thanks!

2007-08-06 03:47:42 · answer #3 · answered by Anonymous · 0⤊ 3⤋